Math, asked by Shwetarana1356, 5 months ago

The minimum value of 9tan^2A + cot^2A

Answers

Answered by unzainab

0

Answer:

Let y=9tan2θ+4cot2θ=(3tanθ−2cotθ)2+12

Hence minimum value of y is 12⇒k=6

Step-by-step explanation:

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